Q: I have seen you write about how LED replacement bulbs are not legal. Recently, I have been seeing ads for Sylvania LED replacements. What gives? A: Well, you made me go to the local auto parts ...

LED headlights throw extremely intense light with very little draw on your car's electrical system. Now that they're trickling down to the aftermarket, you can buy a simple plug-in "LED retrofit kit" ...

It’s the kind of thing that makes you stare at your receipt like it’s going to confess. You buy factory bulbs, install them carefully, and then an inspection station hits you with: “These are ...

LED lighting has taken roadways by storm, but are they better than HIDs? We breakdown the differences between the two to find the better bulb. LED headlights dominate the industry due to efficiency ...

LED sources are substantially different from filament lamps used in most present-day automotive lighting applications in a number of important ways: • LEDs have higher luminous efficacies (in lm/W) ...

Along with being brighter, LED bulbs tend to use less power and have a much longer average lifespan compared to conventional halogen bulbs. Now that LED lighting technology has gotten significantly ...

We may receive a commission on purchases made from links. Vehicles used to rely on halogen bulbs for headlights, but the industry has largely switched over to light emitting diode (LED) technology for ...

Running light LEDs add visibility and style to your car, truck, or SUV. These lights, located just under the headlights on most cars, are illuminated when the vehicle's engine is running (hence the ...

Should transmission and differential fluids be changed on a 2006 Subaru Outback with only 41,000 miles? Since car batteries are so expensive, is it possible to use a cheaper marine battery in an ...